Source Code Cross Referenced for ManagementReprImplJSR160.java in  » J2EE » JOnAS-4.8.6 » org » objectweb » jonas » jmx » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » J2EE » JOnAS 4.8.6 » org.objectweb.jonas.jmx 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * JOnAS: Java(TM) Open Application Server
003:         * Copyright (C) 1999 Bull S.A.
004:         * Contact: jonas-team@objectweb.org
005:         *
006:         * This library is free software; you can redistribute it and/or
007:         * modify it under the terms of the GNU Lesser General Public
008:         * License as published by the Free Software Foundation; either
009:         * version 2.1 of the License, or any later version.
010:         *
011:         * This library is distributed in the hope that it will be useful,
012:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
013:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014:         * Lesser General Public License for more details.
015:         *
016:         * You should have received a copy of the GNU Lesser General Public
017:         * License along with this library; if not, write to the Free Software
018:         * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
019:         * USA
020:         *
021:         * --------------------------------------------------------------------------
022:         * $Id: ManagementReprImplJSR160.java 9824 2006-11-09 09:30:01Z danesa $
023:         * --------------------------------------------------------------------------
024:         */package org.objectweb.jonas.jmx;
025:
026:        import java.util.HashSet;
027:        import java.util.Properties;
028:        import java.util.Set;
029:
030:        import javax.management.Attribute;
031:        import javax.management.AttributeList;
032:        import javax.management.MBeanException;
033:        import javax.management.MBeanInfo;
034:        import javax.management.MBeanServerConnection;
035:        import javax.management.ObjectName;
036:        import javax.management.ReflectionException;
037:        import javax.management.RuntimeErrorException;
038:        import javax.management.RuntimeMBeanException;
039:        import javax.management.RuntimeOperationsException;
040:        import javax.naming.Context;
041:
042:        import org.objectweb.jonas.common.Log;
043:        import org.objectweb.util.monolog.api.BasicLevel;
044:        import org.objectweb.util.monolog.api.Logger;
045:
046:        /**
047:         * Provides a management representative to be used by JMX based management applications.
048:         * @author Adriana Danes
049:         */
050:        public class ManagementReprImplJSR160 implements  ManagementRepr {
051:
052:            /**
053:             * JOnAS <code>logger</code>
054:             */
055:            private static Logger logger = null;
056:            /**
057:             * <code>mMBeanServerConnection</code> object representing the MBeanServer
058:             * on the server side.
059:             */
060:            private MBeanServerConnection mbeanServerConnection = null;
061:            /**
062:             * sever name
063:             */
064:            private String serverName = null;
065:
066:            /**
067:             * ManagementRepr object constructor
068:             */
069:            protected ManagementReprImplJSR160() {
070:                logger = Log.getLogger("org.objectweb.jonas.jmx");
071:                if (logger.isLoggable(BasicLevel.DEBUG)) {
072:                    logger
073:                            .log(BasicLevel.DEBUG,
074:                                    "Management Representativ based on JSR160 created for jonasAdmin");
075:                }
076:            }
077:
078:            /**
079:             * @param on The object name of the MBean to be checked
080:             * @return True if the MBean is already registered in the MBean server, false otherwise or if an exception is catched.
081:             */
082:            public boolean isRegistered(ObjectName on) {
083:                try {
084:                    return mbeanServerConnection.isRegistered(on);
085:                } catch (Exception e) {
086:                    return false;
087:                }
088:            }
089:
090:            /**
091:             * @param on The ObjectName of the MBean from which the attribute is to be retrieved.
092:             * @param attribute A String specifying the name of the attribute to be retrieve.
093:             * @return The value of the attribute.
094:             * @throws ManagementException management operation failed
095:             */
096:            public Object getAttribute(ObjectName on, String attribute)
097:                    throws ManagementException {
098:                // DEBUG
099:                if (mbeanServerConnection == null) {
100:                    logger.log(BasicLevel.ERROR,
101:                            "mbeanServerConnection is null");
102:                    throw new ManagementException(
103:                            "mbeanServerConnection is null");
104:                }
105:                try {
106:                    return mbeanServerConnection.getAttribute(on, attribute);
107:                } catch (Exception e) {
108:                    logger.log(BasicLevel.WARN,
109:                            "Error while getting attribute " + attribute
110:                                    + ". ObjectName = " + on);
111:                    throw new ManagementException(
112:                            "Error while getting attribute. ", e);
113:                }
114:            }
115:
116:            /**
117:             * @param on The ObjectName of the MBean of which attribute are to be retrieved.
118:             * @param attributes A list of the attributes to be retrieved.
119:             * @return Thelist of retrieved attributes.
120:             * @throws ManagementException management operation failed
121:             */
122:            public AttributeList getAttributes(ObjectName on,
123:                    String[] attributes) throws ManagementException {
124:
125:                try {
126:                    return mbeanServerConnection.getAttributes(on, attributes);
127:                } catch (Exception e) {
128:                    throw new ManagementException(
129:                            "Error while getting attributes: "
130:                                    + e.getClass().getName(), e);
131:                }
132:            }
133:
134:            /**
135:             * @param on The ObjectName of the MBean of which the attribute is to be set.
136:             * @param attribute A String specifying the name of the attribute to be retrieve.
137:             * @param value The value to set to the attribute.
138:             * @throws ManagementException management operation failed
139:             */
140:            public void setAttribute(ObjectName on, String attribute,
141:                    Object value) throws ManagementException {
142:                if (logger.isLoggable(BasicLevel.DEBUG)) {
143:                    logger.log(BasicLevel.DEBUG, "Set Attribute called, on "
144:                            + on.toString() + " to change attribute "
145:                            + attribute + " value to "
146:                            + (String) value.toString());
147:                }
148:
149:                try {
150:                    mbeanServerConnection.setAttribute(on, new Attribute(
151:                            attribute, value));
152:                } catch (Exception e) {
153:                    throw new ManagementException(
154:                            "Error while setting attribute " + attribute + ": "
155:                                    + e.getClass().getName(), e);
156:                }
157:            }
158:
159:            /**
160:             * @param on The ObjectName of the MBean of which the attribute is to be set.
161:             * @param attributes A list of attributes: The identification of the attribute to be set and the value it is to be set to
162:             * @return The list of attributes that were set, with their new values.
163:             * @throws ManagementException management operation failed
164:             */
165:            public AttributeList setAttributes(ObjectName on,
166:                    AttributeList attributes) throws ManagementException {
167:
168:                try {
169:                    return mbeanServerConnection.setAttributes(on, attributes);
170:                } catch (Exception e) {
171:                    throw new ManagementException(
172:                            "Error while setting attributes: "
173:                                    + e.getClass().getName(), e);
174:                }
175:            }
176:
177:            /**
178:             * @param on The ObjectName of the MBean of which an operation is to be executed
179:             * @param operation name of the operation to execute
180:             * @param param arguments of the operation to execute
181:             * @param signature types of arguments
182:             * @return return the operation result
183:             * @throws ManagementException management operation failed
184:             */
185:            public Object invoke(ObjectName on, String operation,
186:                    Object[] param, String[] signature)
187:                    throws ManagementException {
188:
189:                try {
190:                    return mbeanServerConnection.invoke(on, operation, param,
191:                            signature);
192:                } catch (Exception e) {
193:                    String message = "";
194:                    String targetExcName = null;
195:                    Throwable exc = null;
196:                    if (e instanceof  MBeanException
197:                            || e instanceof  ReflectionException
198:                            || e instanceof  RuntimeMBeanException
199:                            || e instanceof  RuntimeOperationsException
200:                            || e instanceof  RuntimeErrorException) {
201:
202:                        Exception targetExc = null;
203:                        if (e instanceof  MBeanException) {
204:                            targetExc = ((MBeanException) e)
205:                                    .getTargetException();
206:                        } else if (e instanceof  ReflectionException) {
207:                            targetExc = ((ReflectionException) e)
208:                                    .getTargetException();
209:                        } else if (e instanceof  RuntimeMBeanException) {
210:                            targetExc = ((RuntimeMBeanException) e)
211:                                    .getTargetException();
212:                        } else if (e instanceof  RuntimeOperationsException) {
213:                            targetExc = ((RuntimeOperationsException) e)
214:                                    .getTargetException();
215:                        } else if (e instanceof  RuntimeErrorException) {
216:                            Error atargetExc = ((RuntimeErrorException) e)
217:                                    .getTargetError();
218:                            targetExc = new Exception(atargetExc.getMessage());
219:                        }
220:                        targetExcName = targetExc.toString();
221:                        exc = targetExc;
222:                    } else {
223:                        exc = e;
224:                    }
225:                    if (logger.isLoggable(BasicLevel.DEBUG)) {
226:                        logger.log(BasicLevel.DEBUG, "Exception ----[ "
227:                                + e.toString() + " while invoking operation "
228:                                + operation + " on MBean " + on.toString()
229:                                + " ]-------");
230:                        if (targetExcName != null) {
231:                            logger.log(BasicLevel.DEBUG,
232:                                    "-------[ Embedded error : ]-------");
233:                            logger.log(BasicLevel.DEBUG, "-------[ "
234:                                    + targetExcName + " ]-------");
235:                        }
236:                    }
237:
238:                    throw new ManagementException(message, exc);
239:                }
240:            }
241:
242:            /**
243:             * @param on The ObjectName of the target MBean
244:             * @return A set containing the ObjectNames for the MBeans selected.
245:             * @throws ManagementException management operation failed
246:             */
247:            public java.util.Set queryNames(ObjectName on)
248:                    throws ManagementException {
249:                try {
250:                    return (java.util.Set) mbeanServerConnection.queryNames(on,
251:                            null);
252:                } catch (Exception e) {
253:                    throw new ManagementException(
254:                            "Error while getting MBeans names: "
255:                                    + e.getClass().getName(), e);
256:                }
257:            }
258:
259:            /**
260:             * @return An instance of MBeanInfo allowing the retrieval of all
261:             * attributes and operations of this MBean.
262:             * @throws ManagementException management operation failed
263:             */
264:            public MBeanInfo getMBeanInfo(ObjectName name)
265:                    throws ManagementException {
266:                try {
267:                    return (MBeanInfo) mbeanServerConnection.getMBeanInfo(name);
268:                } catch (Exception e) {
269:                    throw new ManagementException(
270:                            "Error while getting MBean info: "
271:                                    + e.getClass().getName(), e);
272:                }
273:            }
274:
275:            /**
276:             * This method is no more necessary with JSR160 support
277:             * @return null
278:             * @throws javax.naming.NamingException not possible anymore
279:             */
280:            public Context getContext() throws javax.naming.NamingException {
281:                return null;
282:            }
283:
284:            /**
285:             * This method is no more necessary with JSR160 support
286:             * @return a non null String
287:             */
288:            public String getCurrentRMIConnectorName() {
289:                return "jonas";
290:            }
291:
292:            /**
293:             * This method is no more necessary with JSR160 support
294:             */
295:            public void setCurrentRMIConnectorName(String name)
296:                    throws Exception {
297:                ;
298:            }
299:
300:            /**
301:             * This method is no more necessary with JSR160 support
302:             */
303:            public void resetCurrentRMIConnectorName() {
304:                ;
305:            }
306:
307:            /**
308:             * This method is no more necessary with JSR160 support
309:             * @return null
310:             * @throws javax.naming.NamingException not possible anymore
311:             */
312:            public Set getRMIConnectorsNames()
313:                    throws javax.naming.NamingException {
314:                HashSet res = new HashSet();
315:                res.add("jonas");
316:                return res;
317:            }
318:
319:            /**
320:             * This method is no more necessary with JSR160 support
321:             * @return null
322:             */
323:            public String getJonasNamingServiceURL() {
324:                return "url";
325:            }
326:
327:            /**
328:             * This method is no more necessary with JSR160 support
329:             * @throws javax.naming.NamingException not possible anymore
330:             */
331:            public void setJonasNamingServiceURL(String url)
332:                    throws javax.naming.NamingException {
333:                ;
334:            }
335:
336:            /**
337:             * This method is no more necessary with JSR160 support
338:             * @throws javax.naming.NamingException not possible anymore
339:             */
340:            public void setNamingEnvCtx(Properties env)
341:                    throws javax.naming.NamingException {
342:                ;
343:            }
344:
345:            /**
346:             * @return Returns the mbeanServerConnection.
347:             */
348:            public MBeanServerConnection getMBeanServerConnection() {
349:                return mbeanServerConnection;
350:            }
351:
352:            /**
353:             * @param mbeanServerConnection The mbeanServerConnection to set.
354:             */
355:            public void setMBeanServerConnection(
356:                    MBeanServerConnection mbeanServerConnection) {
357:                this .mbeanServerConnection = mbeanServerConnection;
358:            }
359:
360:            public String getServerName() {
361:                return serverName;
362:            }
363:
364:            public void setServerName(String serverName) {
365:                this.serverName = serverName;
366:            }
367:        }
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